| Funkknopf | radio button |
| Fünfkampf | pentathlon |
| Druckknopf | push-button |
| Türknopf | doorknob |
| Rundkopf | round head Roundhead |
| Funktions | functional |
| funktions | functional |
| Funktor | functor |
| Funkloch | dead spot skip zone |
| Funktion | function map mapping |
| funken | cable radio spark |
| zugeknöpft | evasive |
| Knopf | button knob |
| Rußkopf | charbonnier |
| Bubikopf | Eton crop |
| Dickkopf | mule European chub skipper |
| Dummkopf | blockhead fool nincompoop |
| Querkopf | maverick queer fellow |
| Funkeln | sparkle |
| funkeln | flash glitter sparkle twinkle |